change position of table according to another table in mvc

Question

Hi..  I am begginer to asp.net mvc.In my mvc application there are one dropdownlist name ddl1 & three tables names are table1,table2,table3 resp.I have set position of table1 to absolute.
On ddl1 onchange event i have show table1 & hide table2.table1 contain 2 rows & table 2 contain 7 rows.My problem is "I want to show table3 to position regarding table1 & table2".show table3 immmediately after table1 or table2 no space between table1 & table3  OR table2 & table3.
  Thanks...